From d8d69a2b702c8113da823e0c169909c2b80ca6eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Capucho?= <jcapucho@av.it.pt>
Date: Sat, 31 Jan 2026 00:25:27 +0000
Subject: [PATCH] Implement text replacement LCM operator

---
 .../service-rule-design.component.html        | 17 ++++++++++++
 .../services/blockly-java.service.ts          | 12 +++++++++
 src/assets/blockly/custom_java_blocks.js      | 26 +++++++++++++++++++
 3 files changed, 55 insertions(+)

diff --git a/src/app/p_services/admin/lifeCycleManagement/service-rule-design/service-rule-design.component.html b/src/app/p_services/admin/lifeCycleManagement/service-rule-design/service-rule-design.component.html
index d43e091..38a27c8 100644
--- a/src/app/p_services/admin/lifeCycleManagement/service-rule-design/service-rule-design.component.html
+++ b/src/app/p_services/admin/lifeCycleManagement/service-rule-design/service-rule-design.component.html
@@ -198,6 +198,23 @@
                   </shadow>
                 </value>
               </block>
+              <block type="text_replace">
+                <value name="STRING">
+                  <block type="variables_get">
+                    <field name="VAR">textVariable</field>
+                  </block>
+                </value>
+                <value name="SEARCH">
+                  <shadow type="text">
+                    <field name="TEXT">before</field>
+                  </shadow>
+                </value>
+                <value name="REPLACE">
+                  <shadow type="text">
+                    <field name="TEXT">after</field>
+                  </shadow>
+                </value>
+              </block>
 
 
           </category> 
diff --git a/src/app/p_services/admin/lifeCycleManagement/services/blockly-java.service.ts b/src/app/p_services/admin/lifeCycleManagement/services/blockly-java.service.ts
index 84cd53c..ae12457 100644
--- a/src/app/p_services/admin/lifeCycleManagement/services/blockly-java.service.ts
+++ b/src/app/p_services/admin/lifeCycleManagement/services/blockly-java.service.ts
@@ -803,6 +803,18 @@ export class BlocklyJavaService {
       return [argument0 + operator, Blockly.Java.ORDER_FUNCTION_CALL];
     };
 
+    Blockly.Java['text_replace'] = function (block: { getFieldValue: (arg0: string) => string; }) {
+      // Search the text for a substring.
+      var argument0 = Blockly.Java.valueToCode(block, 'SEARCH',
+        Blockly.Java.ORDER_NONE) || '""';
+      var argument1 = Blockly.Java.valueToCode(block, 'REPLACE',
+        Blockly.Java.ORDER_NONE) || '""';
+      var argument2 = Blockly.Java.valueToCode(block, 'STRING',
+        Blockly.Java.ORDER_MEMBER) || '""';
+      var code = argument2 + '.replace(' + argument0 + ',' + argument1 + ')';
+      return [code, Blockly.Java.ORDER_MEMBER];
+    };
+
     Blockly.Java['text_print'] = function (block: any) {
       // Print statement.
       var argument0 = Blockly.Java.valueToCode(block, 'TEXT',
diff --git a/src/assets/blockly/custom_java_blocks.js b/src/assets/blockly/custom_java_blocks.js
index 8526030..64ea0d9 100644
--- a/src/assets/blockly/custom_java_blocks.js
+++ b/src/assets/blockly/custom_java_blocks.js
@@ -706,6 +706,32 @@ Blockly.Blocks['variable_set_string'] = {
   customContextMenu: Blockly.Blocks['variables_get'].customContextMenu
 };
 
+Blockly.Blocks['text_replace'] = {
+  /**
+   * Block for string replacement.
+   * @this Blockly.Block
+   */
+  init: function() {
+    this.setStyle('text_blocks');
+
+    this.appendValueInput("STRING")
+      .setCheck("String")
+      .appendField("in text");
+
+    this.appendValueInput("SEARCH")
+      .setCheck("String")
+      .appendField("replace");
+
+    this.appendValueInput('REPLACE')
+      .setCheck("String")
+      .appendField("with");
+
+    this.setInputsInline(true);
+    this.setOutput(true,'String');
+    this.setTooltip("Replaces all occurrences of a substring in a string with another");
+  },
+};
+
 
 
 
-- 
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